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<HTML><HEAD><TITLE>Xlib Programming Manual: Closing the Display</TITLE></HEAD><BODY><H1 ALIGN=center>XCloseDisplay</H1><H2>Syntax</H2><CODE><PRE>XCloseDisplay(<B>display</B>) <A HREF="opening.html#Display">Display</A> *<B>display</B>;</PRE></CODE><TABLE><H2>Arguments</H2><TR><TD> <B>display</B><TD> Specifies the connection to the X server.</TABLE><H2>Description</H2>The<B>XCloseDisplay()</B>function closes the connection to the X server for the display specified in the<A HREF="opening.html#Display">Display</A>structure and destroys all windows, resource IDs(<B><A HREF="../introduction/overview.html#XID">Window</A></B>,<B><A HREF="../introduction/overview.html#XID">Font</A></B>,<B><A HREF="../introduction/overview.html#XID">Pixmap</A></B>,<B><A HREF="../introduction/overview.html#XID">Colormap</A></B>,<B><A HREF="../introduction/overview.html#XID">Cursor</A></B>,and<B><A HREF="../introduction/overview.html#XID">GContext</A></B>),or other resources that the client has createdon this display, unless the close-down mode of the resource has been changed(see<B><A HREF="XSetCloseDownMode.html">XSetCloseDownMode()</A></B>).Therefore, these windows, resource IDs, and other resources should never be referenced again or an error will be generated.Before exiting, you should call<B>XCloseDisplay()</B>explicitly so that any pending errors are reported as<B>XCloseDisplay()</B>performs a final<B><A HREF="../event-handling/XSync.html">XSync()</A></B>operation.<!.IN "Resource IDs"><!.IN "XCloseDisplay"><H2>Diagnostics</H2><B>XCloseDisplay()</B>can generate a<B>BadGC</B>error.<H2>See also</H2><B><A HREF="../event-handling/XFlush.html">XFlush()</A></B>,<B><A HREF="XSetCloseDownMode.html">XSetCloseDownMode()</A></B>, TheXlib Programming manual: "<A HREF="closing.html">Closing the Display</A>"<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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